package com.example.utils;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;
import java.io.*;
import java.util.UUID;

/**
 * 阿里云 OSS 工具类
 */
@Component//交给ioc容器管理

public class AliOSSUtils<OSS> {

 //   private String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
//    private String accessKeyId = "LTAI5tCQsxEkva1mYe1k9PLq";
 //private String accessKeyId = "z1qTdy8Rlk5l5Vul88H7eQvSreCiCM-Ng90SEVxX";
//    private String accessKeySecret = "9lwKjgD7Rgrzb4gwRLb6uFrq5dlPjB";
  //  private String accessKeySecret = "****************************************";
 //   private String bucketName = "sky-deliverys";


  /*  @Value("${aliyun.oss.endpoint}")
    private String endpoint;
    @Value("${aliyun.oss.accessKeyId}")
    private String accessKeyId;
    @Value("${aliyun.oss.accessKeySecret}")
    private String accessKeySecret;
    @Value("${aliyun.oss.bucketName}")
    private String bucketName; */

    @Autowired
    private AliOSSProperties aliOSSProperties;
    /**
     * 实现上传图片到OSS
     */
    public String upload(MultipartFile file) throws IOException {
        //获取阿里云oss的参数
        String endpoint = aliOSSProperties.getEndpoint();
        String accessKeyId = aliOSSProperties.getAccessKeyId();
        String accessKeySecret = aliOSSProperties.getAccessKeySecret();
        String bucketName = aliOSSProperties.getBucketName();

        // 获取上传的文件的输入流
        InputStream inputStream = file.getInputStream();

        // 避免文件覆盖
        String originalFilename = file.getOriginalFilename();
        String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));

        //上传文件到 OSS
        com.aliyun.oss.OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
        ossClient.putObject(bucketName,fileName,inputStream);

        //文件访问路径
        String url = endpoint.split("//")[0] + "//" + bucketName + "." + endpoint.split("//")[1] + "/" + fileName;
        // 关闭ossClient
        ossClient.shutdown();
        return url;// 把上传到oss的路径返回
    }
}
